Ghost guns have no serial numbers. They are untraceable because their owners assemble them piece by piece, either by purchasing gun parts or — as may have been the case in the murder of ...

Police say the UnitedHealthcare's CEO was likely killed with a ghost gun that may have been made with a 3D printer. Ghost guns do not have serial numbers, making them difficult for law enforcement to ...

They are easy to build, require no background checks and are virtually untraceable. Printing plans to build them are readily accessible online. And the 3-D printing ...

The brazen killing of UnitedHealthcare’s CEO was likely carried out with a ghost gun, one of the nearly untraceable weapons that can be made at home, police said Monday. A ghost gun is a firearm ...

For the last hour, in a backroom of a gun range in Arabi, Louisiana, I’ve been building Luigi Mangione’s gun. Well, not his, in the literal sense. The not-quite-finished firearm in my hands is very ...